917 180 287 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

No known factors, not tested for primality

No factors below 2⁷⁵

TF target 2⁸⁵

Assignments

Assigned	User	Work Type	Stage	% Done	Updated	Est Complete	Expired
2026-04-01	SRBase	TF			2026-04-01

History

Date	User	Type	Result
2024-07-04	SRBase	NF	no factor TF: 74-75
2024-05-31	James Heinrich	NF	no factor TF: 69-70
2022-08-18	sasaki	NF	no factor TF: 73-74
2021-06-25	SRBase	NF	no factor TF: 72-73
2020-11-01	srow7	NF	no factor TF: 71-72
2019-04-22	Maciej Kmieciak	NF	no factor TF: 70-71
2018-01-08	Conductor	NF	no factor TF: 69-70
2017-04-02	sasaki	NF	no factor TF: 68-69
2016-06-22	Alex_soldier	NF	no factor TF: 67-68
2015-10-16	Alex_soldier	NF	no factor TF: 66-67
2013-05-27	ramgeis	NF	no factor TF: 65-66
2011-09-25	linded	NF	no factor TF: 64-65
2010-06-21	linded	NF	no factor TF: 63-64